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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
(l) (m) (n) (o) (p) c) The correct half range message shows. d) Equally distance range arcs show for all ranges. e) Weather or terrain targets are near the center of the display.Set the range switch on the captain's EFIS control panel to the range above the initial position. 1) Make sure the radar targets move to the bottom of the captain's ND.Set the range switch on the captain's EFIS control panel to a range below the initial position. 1) Make sure the radar targets move to the top of the captain's ND.Set the range switch on the captain's EFIS control panel to move the radar targets to the center of the captain's ND.Set the first officer's EFIS control panel range switches to move the radar targets to the center of the first officer's ND. 1) Make sure the first officer's ND display is as follows: a) The correct mode message shows for the mode selector switch on the WXR control panel. b) The correct antenna tilt message shows for the antenna TILT control on the WXR control panel. c) The correct half range message shows. d) Equally distance range arcs show for all ranges. e) Weather or terrain radar targets are near the center of the display.Set the range switch on the first officer's EFIS control panels to the range above the initial position. 1) Make sure the radar targets move to the bottom of the first officer's ND.
(q) Set the range switch on the first officer's EFIS control panel to a range below the initial position. 1) Make sure the radar targets move to the top of the first officer's ND.
(r) Set the range switch on the first officer's EFIS control panels to move the radar targets to the center of the first officer's ND.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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747-400 MAINTENANCE MANUAL
(s)
Set the SYS switch to the L position.
(t)
If no more tests of weather radar are necessary, Do the Weather Radar System Shutdown Task.
J. AIRPLANES WITH PREDICTIVE WINDSHEAR ACTIVE; Terrain/Weather Switch Display Test
S 735-224
(1) Do the terrain/weather switch display test.
WARNING: DO NOT OPERATE THE WEATHER RADAR WHILE FUEL IS ADDED OR
_______ REMOVED FROM THE AIRPLANE. DO NOT TRANSMIT RF ENERGY WHILE FUEL IS ADDED OR REMOVED IN AN AREA 200 FEET OR LESS OF THE ANTENNA. THIS CAN CAUSE AN EXPLOSION.
DO NOT OPERATE THE WEATHER RADAR IN HANGAR OR OTHER ENCLOSURE. MAKE SURE NO PERSONS ARE IN THE AREA 15 FEET OR LESS FROM THE ANTENNA WHEN IT TRANSMITS RF ENERGY. RF ENERGY CAN CAUSE INJURY TO PERSONS.
(a)
Set these controls and switches on the WXR control panel as follows:
(b)
Set the mode selector switch to the WX position. the WXR message shows on the NDs. 1) Make sure the WXR message shows on the NDs.
(c)
Turn the antenna TILT control to get good radar targets on each ND.
(d)
Set the range switches on the captain's EFIS control panel to move the radar targets to the center of the captain's ND.
(e)
Set the TERR switch on the captain's EFIS control panel to on. 1) Make sure that the weather radar display is removed from the captain's ND.
2) Make sure a terrain map display is shown on the captains ND.
(f)
Set the TERR switch on the captain's EFIS control panel to off.
1) Make sure that the weather radar display is blank on the captains ND.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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747-400 MAINTENANCE MANUAL
(g)
Set the WXR switch on the captain's EFIS control panel to on.
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